3 Checking and starting the operation
3-1 Names and functions of each part of the operation and display sections
BU5002R/BU3002R/BU3002RH
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3-1-7 How to interpret icons, LED, and buzzer sounds
■ In normal operation
○: ON, ●: OFF
UPS
status
Icon
Symbol
Buzzer Output Charge
Text
displayed
on top
Description
Solution
Standby
mode
● ● ● None
OFF
ON
Standby
mode
The “Power” switch is turned
OFF.
Power supply output is
stopped.
-
Normal
operation
mode
○ ● ● None
ON
ON
Normal
mode
The “Power” switch is turned
ON.
The UPS is in normal
operation.
-
Eco mode
○ ● ● None
ON
ON
ECO mode
The UPS is operating
normally in ECO mode.
-
■ In test operation
○: ON, ●: OFF
UPS
status
Icon
Symbol
Buzzer Output Charge
Text
displayed
on top
Description
Solution
Test
mode
○ ○ ● None
ON
OFF/di
schargi
ng
Test mode
A self-diagnostic test is in
process.
-
